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Physics
Mechanics
Momentum
A 66.0 kg rider sitting on a 9.4 kg bike is riding along at 9.1 m/s in the positive direction. The rider drags a foot on the ground and slows down to 7.0 m/s still in the positive direction. What is the change in momentum of the rider and bike?
1 answer
(m1+m2)vi - change = (m1+m2)vf
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